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Finding the Fourth Proportional to 588,916, 883,374 and 145,684

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Solution

The fourth proportional to 588,916, 883,374 and 145,684 is: 218,526

Step by Step Solution

  1. Step 1: Write the proportion equation
    588,916 : 883,374 = 145,684 : x
  2. Step 2: Convert to fraction form
    588,916/883,374 = 145,684/x
  3. Step 3: Cross multiply
    588,916x = 883,374 × 145,684
  4. Step 4: Simplify right side
    588,916x = 128,693,457,816
  5. Step 5: Solve for x
    x = 128,693,457,816/588,916
  6. Step 6: Final answer
    x = 218,526

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.